There are a variety of codes for lean/rich conditions, but those aren't really indicating O2 failure. Oh and if you don't have a cable and/or laptop, I think Autozone will scan for trouble codes free of charge.

Yeah if you pull your O2's out and the problem persists then it may very well indicate that you have dead O2's.

Hey All,
Fixed my A/C system a few years back and seemed to be working ok. I got side tracked with work the last couple years and havent used or even turned on the car in quite some time. Now, I have no A/C. I checked my guages and im getting 42 PSI on low side and 200 PSI on the high side...

Hey guys I’ve been having split blms across the board for a long time now and I’m trying to finally get it figured out.
I have tried everything, novacuum leaks, no leaky injectors, exhaust leaks, good iac counts etc. they always end up around 108/130. The engine seems to run fine, just not...

Hey Guys,
So I have a stock 1994 Trans Am automatic. I replaced the wires with 8.5mm and ngk spark plugs. I noticed they dont fit the stock retainers, which is fine for most of the car. They main issue is behind what I assume is the power steering where the clip broke off and is kind of...

Hello All,
I have a stock 1994 Trans Am LT1 Automatic. This was my first car I ever worked on so I made some mistakes. One of which was replacing the stock opti with a chinese knock off (I was broke at the time) It hasn't been running right and won't pass smog. I've replaced the spark plugs...